The universe is expanding, with every galaxy beyond the Local Group speeding away from us. While most galaxies are receding faster than the speed of light, it is possible to travel into the past and the future through time travel. Albert Einstein’s special theory of relativity in 1905 made it clear that travel into the future is not possible. However, time travel is theoretically possible according to physics laws, but time-travelers cannot alter the past in a measurable way.
Researchers suggest that visitors should make a commitment to understand local cultures by moving past transactional interactions. With advancements in Artificial Intelligence (AI), scientists can now travel at light speed, but the distance we could reach another galaxy may be limited. The Universe is finite or infinite, and even if we were to travel further, empty spaces would be encountered.
In some distant future, humans may be able to bring humans to another galaxy, but it is unlikely. The Local Group may merge with the nearest big galaxy cluster, the Virgo Cluster, but we cannot hope to match the distance information. Even the nearest galaxies beyond our local group will have sped away so far and for so long that they will be unreachable.
As time goes by, all other galaxies, groups, and clusters will accelerate away from one another, and we will never arrive anywhere. As the universe continues to expand, it is essential to consider the potential consequences of human space travel and the limitations of our understanding of the universe.
📹 TRUE Limits Of Humanity – The Final Border We Will Never Cross
Is there a border we will never cross? Are there places we will never reach, no matter how hard we try? It turns out, there are.
Can we get out of the Local Group?
As the universe continues to expand, the rate of expansion is anticipated to accelerate, potentially enabling us to traverse the vast distances that separate us from other galaxies within our Local Group. However, this potential for intergalactic travel is constrained by the limitations of our technological capabilities and the inherent limitations of the laws of physics. The nearest group to our own is the M81 Group, situated at a distance of 11. 4 million light-years. The fastest space probe currently in operation is the New Horizons probe, which is currently traveling at a velocity of 15. The velocity is 73 kilometers per second.
Can we travel beyond the Local Group?
The subsequent galaxy group is situated at a distance of millions of light-years, and it is currently undergoing a recessionary movement at a velocity that is beyond our capacity to replicate. Even if we were to leave the Local Group and traverse intergalactic space, it is unlikely that we would ever reach a destination. The limitations of humanity and the potential for never crossing a border give rise to questions about our place in the universe, even with the aid of science fiction technology.
Can we go beyond our galaxy?
Scientists and engineers are developing the requisite skills and technologies to enable humans to reach the edge of interstellar space, the region between our Sun’s heliosphere and the astrospheres of other stars. Although the concept of sending humans to interstellar space remains a science fiction idea, these advancements could potentially pave the way for the future exploration of other stars.
Can humans leave the Local Group?
The current technology, including the upcoming “Project Starshot,” is unable to reach the Local Group, which has a diameter of approximately 100, 000 light-years. Even Project Starshot would require approximately 50 million years to traverse such a distance.
Can we leave our Galaxy cluster?
To leave our Galaxy, we would need to travel 500 light-years vertically, 25, 000 light-years away from the galactic center, and escape the ‘halo’ of diffuse gas, old stars, and globular clusters surrounding the Milky Way’s stellar disk. To see our entire Galaxy, we would need to travel 48, 000 light-years vertically. However, technology or telescopes will take a long time to reach, so we can only enjoy images of other spiral galaxies. There are no stars between galaxies and it takes the Sun to orbit the galaxy.
Are we stuck in the Local Group?
The available evidence indicates that it is exceedingly difficult to leave our local group due to the drifting apart of galaxies outside our local group. This is demonstrated by two videos by Kurzgesagt and Ethan Siegel.
Is the Local Group bigger than the Milky Way?
The Local Group is a group of galaxies within our universe, located within approximately 5 million light-years of our home galaxy, the Milky Way. These galaxies are not as distant as the Andromeda galaxy, which is the largest, and the Triangulum galaxy, the smallest. The Local Group has a diameter of about 10 million light-years and consists of three large galaxies: the Milky Way, Andromeda, and Triangulum. Additionally, there are about 50 dwarf galaxies in the Local Group.
The Local Group is considered a large structure in our universe, as it is relatively close to us, only millions of light-years away, making some galaxies visible to the unaided eye from a dark site. The illustration suggests our Milky Way galaxy lies at the center of the Local Group, but it does not. The Local Group does have a gravitational center, somewhere between the Milky Way and the Andromeda galaxy.
Can you travel beyond the universe?
Dr. Ethan Siegel explores the vast and mysterious universe, which spans 46 billion light-years from our perspective. The Universe is filled with stars and galaxies, but it is unclear if they are all unique. If we look far enough in one direction, we may see the same galaxy from a different perspective in the opposite direction. The Universe may loop back on itself, and if we traveled far enough in a straight line, we would eventually return to our starting point.
This question is a fascinating one that Bill Powers wants us to investigate, as it raises questions about the nature of the universe and the possibility of a looping universe. The question is whether something stops us from reaching the limit of what we can currently see.
Do we live in the Local Group?
The Local Group is a galaxy group that includes the Milky Way, Earth’s location, and has a total diameter of approximately 3 megaparsecs (10 million light-years) and a mass of 2×1012 solar masses (4×1042 kg). It consists of two collections of galaxies in a “dumbbell” shape: the Milky Way and its satellites form one lobe, and the Andromeda Galaxy and its satellites form the other. The two collections are separated by about 800 kiloparsecs and move toward one another at a velocity of 123 km/s.
The group is part of the larger Virgo Supercluster, which may be part of the Laniakea Supercluster. The exact number of galaxies in the Local Group is unknown, but at least 80 members are known, most of which are dwarf galaxies. The two largest members, the Andromeda and Milky Way galaxies, are spiral galaxies with masses of about 10 12 solar masses each and have their own system of satellite galaxies.
Has anyone gone past the Milky Way?
The quest to leave the Milky Way is a complex and challenging endeavor, with the distances involved being enormous and requiring advanced technology. NASA’s Voyager probes, launched in 1977, are the farthest human-made objects from Earth, but they are still under the influence of the Milky Way’s gravity. To leave the galaxy, these probes would need to cover an astronomically large distance, which would take tens of thousands of years at their current speed. Future technologies, such as antimatter propulsion, nuclear pulse propulsion, and theoretical faster-than-light travel, could potentially make such a journey possible.
Is our galaxy orbiting something?
The Milky Way orbits and spins, as does everything in the universe. The Moon, Earth, and Sun all spin around the galactic center 26, 000 light years away. Human spaceflight was a two-sided coin during the Cold War, with the US and Soviet Russia competing for primacy. Dinosaurs are not lizards, but are distinguished by their legs. The term “diamond” comes from the Greek for “terrible lizard”, but the distinction is based on anatomical features. In recent years, attention-deficit/hyperactivity disorder (ADHD) has seen a significant rise in adults being diagnosed with this disorder.
📹 How Far Beyond Earth Could Humanity Spread?
We humans have always been explorers. The great civilizations that have arisen across the world are owed to our restless …
Hey Everybody! So this article is a remake and remaster of an older article that has a mistake in it. You can watch the original here: youtu.be/ZL4yYHdDSWs What is the mistake? In a nutshell: In the original article we said that it was PHYSICALLY impossible to leave the local group and reach other galaxy groups. That the rest of the universe is moving away from us too fast to catch up. But that’s wrong. It is not PHYSICALLY impossible to leave the Local Group, just extremely unlikely that we’ll ever do it. BUT: If you have a lot of time and a fast spaceship you can still get to a limited amount of galaxies – these galaxies will eventually get out of reach forever but until then, they are technically within reach. So why did we keep the article up and didn’t purge it when we deleted our addiction and refugee crisis articles? Well, it has to do with the nature and severity of the mistake: We did talk to a few astrophysicists to ask them what they thought and if we should take down the article. Their feedback was pretty clear, they thought it was still fine as the universe expansion things explained in the article are correct and they didn’t consider the local group thing as too major. This was actually a case of “good enough”. Also, back when this original upload happened, Kurzgesagt was operating at pretty tight margins and just redoing a article was not easy for us. Back then the team was small and we were fighting to put new articles out. So we just swallowed the bitter pill and kept the article around.
Having full transparency is simply refreshing and is why I value the content you create. Mistakes are in fact unavoidable especially with such complicated topics and in-depth science. Which as we all know is evolving over time as more technological advances are developed and as a direct result more accurate information is available. I applaud you and I hope all platforms including the government and social media companies as a whole follow your lead and provide its constituents the same honesty. After all we are but monkeys with good ideas trying to figure out life’s deepest and most philosophical questions and values. No one expects the ultimate truth; they demands the utmost honesty and humility. That can be understood, but to claim to be all knowing even after being proven wrong is just insulting. I one hundred percent encourage that you keep the old article up for comparison, you pin a comment for clarification; BUT also tag a link to the updated article for true transparency and be able to access the most accurate version with no confusion. This increases your views, as well as the quality of your connection with your audience. If everyone operated this way companies would be considered more reputable and believable. Well done ❤
these types of vids never cease to give me chills, it always drags me back from that uncomprehensible sense of fear of maybe dying? Or is it the dying part or the millions of surging unanswered questions that will never be enlightened with these mortal lives we’ve got. Had always relied on the philosophy of Socrates regarding death (much better than the hell and heaven of every religions out there) but guess there are holes that will never be covered by these mere philosophies. Based here I think we all have these answers because we rely only on one medium which is the use of light, but I think we should like to explore more on these so called dark energy in order to understand this universe even more, as we’re kind of already reaching the dead end of studying this universe through that medium which is the light.
This was horrendously beautiful! I don’t know what I liked more, whether the information itself or the fact that you acknowledged making mistakes in the previous article. Thank you so much for such fantastic articles and information you provide us with as well as the way you do it. You are an amazing team. Congratulations.
everybody feels existential dread from these types of articles and here I am feeling a sense of peace, it’s something beautiful about living in a world that we will never know how big it truly is. we will never truly know what came before us and what’ll come after. all we have is right now. we are just specks in the universe, no more significant to it than two grains of sand are to us. I find a strange comfort in knowing we are apart of something much larger than we will ever be
When at the end he mentioned how future civilizations might only think the universe contains their galaxy…and that it doesn’t move…it made me wonder how much we’ve missed during the times before humans existed. It makes me wonder how much of a grasp we really have on how the universe works. I really hope we can somehow preserve what information we have for future civilizations
I just had this dream last night, i was on one of my class, then my instructor asked me, “what if other galaxies didn’t moved away? What if it was just matters moves slower and slower as it travels the vast space?” and as i woke up, it keeps on ringing on my mind. What if? What if it is true? Could it be?
It makes you wonder what the point is then. If there’s an eternal limit to how far we can explore, then we’ll eventually hit that limit given enough time passes. One thing that has always been at the back of my mind when thinking of meaning is that the vastness of space, especially since it is expanding (aka, making more) would be the path for humanity to keep trucking along into when everything is done/killed off from the moment prior (Earth, Sun, next planets that are explored, etc;), thereby always ensuring that prior achievements/things obtained will have it’s purpose to further along that journey long after you and your future generations are gone. But since there’s a limit, that we’ll eventually touch everything (in an ideal world, no pun intended), then there’s no new “stage” to reach for when previous stages expire, and everything in the universe has a shelf life. Therefore, what previously gave meaning as a void that would eventually open new opportunities for said moments to continue to be actualized, is now a door shut in advance which strips away any meaning humanity used to fall back on altogether.
This vid made me sad and somewhat appreciative all at once. Just knowing that in the future the things we see in our skies now they won’t see. It will literally just be darkness. Scientists spent so much time wondering if we were alone in the universe so imagine not seeing anything lol makes me really appreciate the stars and lights we get to see now.
It made me laugh how they continue to have the courage to say sorry, despite remaking a WHOLE article again, MUCH MUCH better than the other one, while working on other articles, introducing readable content, finding all the mistakes they made in 5 years, expanding their activities, saving the universe. Just.. feel proud😙
Leaving your mistakes on display even after the corrections are made is an important part of science. Being able to review mistakes of the past are a fascinating and also efficient way to progress further ensure we don’t repeat those mistakes. Its great that we as a species have enough intellegence to learn from our mistakes and move forward, certain never to repeat them… Oh wait. -_-
This uses our current understanding to assume the limits of our reach. Truly, no one knows what the real limit will be because the bounds of knowledge and time are undefined. If humans have a definable end date or we truly could understand reality to the fullest, then we could better determine an actual limit. It would be another thing entirely to speculate that we won’t live long enough to reach such an advanced understanding. Still, a well done article.
Never say never, “Any sufficiently advanced technology is indistinguishable from magic” -Arthur C. Clarke. There are things that humanity hasn’t discovered yet that will allow us to “breach” these limitations. Eventually we will be able to travel across galaxies and perhaps travel to alternate dimensions, but these are things that will take hundreds of thousands if not millions of years to achieve.
If in a few billion years, the observable universe outside our local group is undetectable, it begs the question – what has already gone from our field of vision? We only understand the universe as we see it, but I wonder if there was any crucial information that’s already drifted away from us. Something that would’ve made it all make a little more sense.
The part where they describe future humans only being able to observe their own galaxy made me think backwards: What if that has already happened? What if there is other “stuff” that emerged during the Big Bang, or even before it, that we are simply unable to observe because it moves faster than light? Or simply happened so long ago that we literally will never be able to observe it. Maybe we already live in a partial picture of everything, much like the observers of Milkdromeda many, many, many eons from now.
One potential hope of encountering these things is that we don’t actually know what dark energy is. We have no idea what’s causing it. If at some point in the distant future, they figure this out, they could potentially develop technology to reverse its effects and thus make things accessible once again
Honestly, this is something I struggle with a lot. My infinitesimal life span means that, even if our SPECIES was able to colonize other galaxies, transcend the light speed barrier, meet aliens, find out the true nature of the universe, etc, I never will, personally. There are so many questions that I will never know the answers to and that’s sad to me.
Something about this that truly is horrifying is the thought of: Since we know that a certain part of universe, becoming too distant to ever be conceived would make it impossible to understand the origin of the universe unless if currently existing knowledge is transferred through eons to them, How do we know that in the past eons, This process of something truly necessary for our comprehension of universe has not already slipped by us and is beyond our reach, rendering us incapable of reaching a specific conclusion within the journey of truth, because a key value necessary for evaluation, was lost before anything could ever document it down
so you know when we observe planets in other universes and say “it has a potential to have life on it”, by now they probably do! if we’re seeing them in their past, from billions of years ago when they had the “potential” for life, since so much time has passed, by now there’s probably so many other civilisations out there. there is no way we’re alone.
Never say never. You are explaining it from our current point of view and concept of science and technology. Maybe in the future we will find a stunning discovery that will help us do impossible things like traveling back in time, going faster than the speed of light, and so on. I strongly doubt it’ll happen in the next 2000 years, but still an interesting point to think about.
As depressing as it seems that our local group is essentially it’s own bubble that we’ll never be able to leave, don’t underestimate it’s size. It’s around 10 million light years in diameter. Even if we get to a point of insane technological advancement that will allow us to perform interstellar travel, it would take many millions (billions?) of years to colonize even a sizeable portion of The Milky Way Galaxy alone (this is even assuming we could somehow travel faster than the speed of light). Then there’s the next largest galaxy Andromeda Galaxy which we are gravitationally bound to. Aside from those two there’s supposedly 80+ smaller galaxies in our local group that aren’t going anywhere. Even if the rest of the supercluster/universe was available to us and there were no restrictions on travel outside of the local group, we would never even get to it. Achieving intergalactic travel just to reach the other members of our local group would take a type 3+ civilization. Idk if this makes you guys feel better or worse. But it should demonstrate the sheer size of our galaxy.
I never listen to people that say things are impossible. Change is the only constant in the universe. And that includes our ever advancing understanding of the natural world around us. Just because our current level of understanding is not able to formulate the mechanics of folding space and time, does not mean that it will be impossible forever.
This is why, collectively, imagination is so important. Because we can imagine places we’ve never been that dont exist, this allows us to go beyond our physical limitations. We need to understand these limitations as opportunities and not absolutes. We are not inside a prison, we are within an infinite canvas encompassing all dimensions and we expand our reach in relation to what we can collectively imagine. This is our reality.
my whole life i was really big on space exploration and expanding our influence throughout the stars. but a while back i learned about the exact concepts this article covered, and though i felt hopeless, a new realization struck within me. i had to focus on the present, on earth, on humanity and what i could do to improve our world before i ever thought about a task as extreme as traversing the galaxy. i will still always love and appreciate the universe but my focus is here. and i’m at the very least glad about that.
For those who are curious as to why we won’t be able to visibly detect galaxies outside the boarder, we first need to explain the process of red shift. Red shift is a process in which space itself is stretched due to dark energy (as stated in the article) which affects the frequency and wavelength of light as space is stretched so is the electromagnetic radiation of light, making it move to a lower frequency and higher wavelength. This is why there is a figurative border, once the electromagnetic radiation reaches such a low frequency, due to the distance of the source of light, it will be even harder to detect, and wouldn’t even be visibly detectable because it would be similar to the frequency and wavelength of radio waves within the electromagnetic spectrum.
When I looked at the thumbnail I just thought I could learn and think about new things. but when I learned we could end up at a time where we are the peak and it just stops. My mind couldn’t accept that and chose to not believe it but near the end I relaxed but I still feel that things will change and I really hope we can explore more our galaxy group.
It is so strange and sad knowing we will never be able to reach all of that. And I think I know why It feels this way. In all kind of stories, human beings, and by extension humanity itself is very often shown as so amazing, with such great potential, as able to overcome any challenge, any problems, as limitless. And that vision of ourselves gets printed in us, we end up believing it. Yet this article comes out of nowhere and crushes all those beliefs. It shows us… That at the end of the day, we are not that great. We’re actually powerless. Heh, sorry for this, it had to come out